DynamicImageView.kt

class DynamicImageView: LinearLayout {

    private var imagesPath = mutableListOf<String>()

    private val horizontalLayoutParam by lazy { LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT) }
    private val weightZeroLayoutParam by lazy { LinearLayout.LayoutParams(0, 380, 1F) }

    constructor(context: Context) : super(context)

    fun addImage(vararg path: String) : DynamicImageView {
        path.forEach {
            imagesPath.add(it)
        }
        return this
    }

    fun show() : DynamicImageView {
        val imageSize = imagesPath.size
        when(imageSize) {
            0 -> { } // Nothing
            in 1 .. 3 -> { addSingleLinearLayout(imageSize) }
            else -> { addTwiceLinearLayout(imageSize) } // imageSize > 3
        }

        return this
    }

    private fun addSingleLinearLayout(position: Int) {
        val linear = getHorizontalLinearLayout()
        (0 until position)
                .map { getImageView(it) }
                .forEach { linear.addView(it) }

        this.addView(linear)
    }

    private fun addTwiceLinearLayout(position: Int) {
        val linearContainer = getVerticalLinearLayout()
        if(position == 4) {
            val topLineLinearLayout = getHorizontalLinearLayout().apply {
                addView(getImageView(0))
                addView(getImageView(1))
            }

            val bottomLineLinearLayout = getHorizontalLinearLayout().apply {
                addView(getImageView(2))
                addView(getImageView(3))
            }

            linearContainer.addView(topLineLinearLayout)
            linearContainer.addView(bottomLineLinearLayout)
        } else {
            val topLinearLayout = getHorizontalLinearLayout()
            val bottomLineLinearLayout = getHorizontalLinearLayout()

            (0 until 3)
                    .map { getImageView(it) }
                    .forEach { topLinearLayout.addView(it) }

            (3 until position)
                    .map { getImageView(it) }
                    .forEach { bottomLineLinearLayout.addView(it) }

            linearContainer.addView(topLinearLayout)
            linearContainer.addView(bottomLineLinearLayout)
        }

        this.addView(linearContainer)
    }

    private fun getHorizontalLinearLayout(): LinearLayout {
        return LinearLayout(context).apply {
            orientation = LinearLayout.HORIZONTAL
            layoutParams = horizontalLayoutParam
        }
    }

    private fun getVerticalLinearLayout(): LinearLayout {
        return LinearLayout(context).apply {
            orientation = LinearLayout.VERTICAL
            layoutParams = horizontalLayoutParam
        }
    }

    private fun getImageView(position: Int): ImageView {
        val image = ImageView(context).apply {
            layoutParams = weightZeroLayoutParam
            scaleType = ImageView.ScaleType.FIT_XY

        }
        Log.w("DynamicImageView", "position: $position, image: ${imagesPath[position]}")
        GlideApp.with(context)
                .load(imagesPath[position])
                .into(image)
        return image
    }
}

val dynamicImageView = DynamicImageView(this)
.addImage(
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcT1Rau0S5Uaa3YhlG6DzW8Ml3dA5pHk7lec60i2roAg28f6lVwQ3g",
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQQB1dfnRA2b5Ju2kjb3ubelL1BAmNLmfEmfPtRHZP00dLC2zvU",
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRKLQe_0sg89Us99mw-CCqNK0sBrlqi0E360CNnoqhA5QgErQym",
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcR0OWgWrvj9yl1uk2fvoRkk6R7SZVRC7ofjuwaGxduLRuUMPL9v",
"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQl2ROgs6TcWebJs2WJ4S7ztqN3D2y2jVwMCvJtLV6p8JEjNrtqVg"
)
.show()